Dental instrument



FIG. 1 is a perspective view of a dental instrument showing our new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is a side elevation of the side opposite that shown in FIG. 2;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an end elevation thereof; and,

FIG. 7 is an end elevation of the end opposite that shown in FIG. 6. 

The ornamental design for a dental instrument, as shown and described. 